What To Solve?: Problems and Suggestions for Young Mathematicians Judita Cofman 10 mai 1990 Paperback Preț: 277.22 lei 381.63 lei 42-47 zile -27%
Numbers and Shapes Revisited: More Problems for Young Mathematicians Autor Judita Cofman 30 mar 1995 Paperback Preț: 174.54 lei 235.00 lei 42-47 zile -26%